This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A097373 #5 Dec 15 2017 17:36:45 %S A097373 40,44,46,48,60,64,66,68,69,80,84,86,88,90,96,99,194,400,404,406,408, %T A097373 440,444,446,448,460,464,466,468,480,484,486,488,600,604,606,608,609, %U A097373 640,644,646,648,660,664,666,668,669,680,684,686,688,690,696,699,800 %N A097373 Numbers n such that there are no primes in a sequence formed from the t digits of n where the latter terms are given by rule b(i)=sum of t previous terms and the primes are counted from initial t digits up to the largest term < n^2; where zeros are located in A098598. %e A097373 194 is in the sequence because 1, 9, 4, 14, 27, 45, 86, 158, 289, 533, 980, 1802, 3315, 6097, 11214, 20626 contains no primes. %Y A097373 Cf. A098598. %K A097373 base,nonn %O A097373 1,1 %A A097373 _Jason Earls_, Sep 18 2004